com.isotrol.impe3.core.support.IdentifiableMaps.java Source code

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Here is the source code for com.isotrol.impe3.core.support.IdentifiableMaps.java

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/**
 * This file is part of Port@l
 * Port@l 3.0 - Portal Engine and Management System
 * Copyright (C) 2010  Isotrol, SA.  http://www.isotrol.com
 *
 * Port@l is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Port@l is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Port@l.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.isotrol.impe3.core.support;

import java.util.UUID;

import com.google.common.collect.ImmutableMap;
import com.isotrol.impe3.api.Identifiable;

/**
 * Utility methods for identifiable maps.
 * @author Andres Rodriguez
 */
public final class IdentifiableMaps {
    private IdentifiableMaps() {
        throw new AssertionError();
    }

    /**
     * Creates a builder for a new hierarchy of identifiable objects.
     * @param <V> Value type.
     * @return A new builder.
     */
    public static <V extends Identifiable> ImmutableMap<UUID, V> immutableOf(Iterable<? extends V> values) {
        final ImmutableMap.Builder<UUID, V> builder = ImmutableMap.builder();
        for (V value : values) {
            builder.put(value.getId(), value);
        }
        return builder.build();
    }
}